Three people pushing a car stuck in the snow
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US Storms: 'We are fighting a losing battle'

A winter storm system has caused massive disruption across vast swathes of the United States, spawning some thirty tornadoes, as well as blizzards and snowstorms.

More than 200,000 people are reported to be without power in the states of Arkansas, Mississippi and Texas.

Go to next video: Emergency as winter storm hits US